Rank	Countries/Territories	Count	Percent
1	United States	365	42.3%
2	China	250	29%
3	Germany	86	10%
4	France	22	2.6%
5	Korea, Republic of	18	2.1%
6	Singapore	16	1.9%
7	Japan	13	1.5%
8	Netherlands	11	1.3%
9	United Kingdom	11	1.3%
10	Canada	9	1%
11	Hong Kong	6	0.7%
12	Ireland	6	0.7%
13	Russia	6	0.7%
14	India	5	0.6%
15	Iran, Islamic Republic of	4	0.5%
16	Australia	4	0.5%
17	Cyprus	3	0.3%
18	Luxembourg	3	0.3%
19	Macao	3	0.3%
20	Sweden	3	0.3%
21	Taiwan	3	0.3%
22	Turkey	2	0.2%
23	South Africa	2	0.2%
24	Spain	2	0.2%
25	Mongolia	2	0.2%
26	Hungary	2	0.2%
27	Belgium	1	0.1%
28	Brazil	1	0.1%
29	Argentina	1	0.1%
30	Romania	1	0.1%
31	Viet Nam	1	0.1%